22002221201121 has 32 divisors (see below), whose sum is σ = 37274236358400. Its totient is φ = 12565340887680.

The previous prime is 22002221201119. The next prime is 22002221201153. The reversal of 22002221201121 is 12110212220022.

It is a happy number.

22002221201121 is a `hidden beast` number, since 2 + 200 + 222 + 120 + 1 + 121 = 666.

It is not a de Polignac number, because 22002221201121 - 2¹ = 22002221201119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22002221201094 and 22002221201103.

It is not an unprimeable number, because it can be changed into a prime (22002221201111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33736060 + ... + 34382061.

It is an arithmetic number, because the mean of its divisors is an integer number (1164819886200).

Almost surely, 2^{22002221201121} is an apocalyptic number.

22002221201121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22002221201121 is a deficient number, since it is larger than the sum of its proper divisors (15272015157279).

22002221201121 is a wasteful number, since it uses less digits than its factorization.

22002221201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68119846 (or 68119840 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22002221201121 its reverse (12110212220022), we get a palindrome (34112433421143).

The spelling of 22002221201121 in words is "twenty-two trillion, two billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-one".